| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.sqoop.lib; |
| |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| |
| |
| /** |
| * Test that the field formatter works in a variety of configurations. |
| */ |
| public class TestFieldFormatter { |
| |
| @Test |
| public void testAllEmpty() { |
| String result = FieldFormatter.escapeAndEnclose("", |
| new DelimiterSet(DelimiterSet.NULL_CHAR, DelimiterSet.NULL_CHAR, |
| DelimiterSet.NULL_CHAR, DelimiterSet.NULL_CHAR, false)); |
| assertEquals("", result); |
| } |
| |
| @Test |
| public void testNullArgs() { |
| assertNull(FieldFormatter.escapeAndEnclose(null, |
| new DelimiterSet('\"', DelimiterSet.NULL_CHAR, '\"', '\\', false))); |
| } |
| |
| @Test |
| public void testBasicStr() { |
| String result = FieldFormatter.escapeAndEnclose("foo", |
| DelimiterSet.DEFAULT_DELIMITERS); |
| assertEquals("foo", result); |
| } |
| |
| @Test |
| public void testEscapeSlash() { |
| String result = FieldFormatter.escapeAndEnclose("foo\\bar", |
| new DelimiterSet(',', '\n', '\"', '\\', false)); |
| assertEquals("foo\\\\bar", result); |
| } |
| |
| @Test |
| public void testMustEnclose() { |
| String result = FieldFormatter.escapeAndEnclose("foo", |
| new DelimiterSet(',', '\n', '\"', DelimiterSet.NULL_CHAR, true)); |
| assertEquals("\"foo\"", result); |
| } |
| |
| @Test |
| public void testEncloseComma1() { |
| String result = FieldFormatter.escapeAndEnclose("foo,bar", |
| new DelimiterSet(',', '\n', '\"', '\\', false)); |
| assertEquals("\"foo,bar\"", result); |
| } |
| |
| @Test |
| public void testEncloseComma2() { |
| String result = FieldFormatter.escapeAndEnclose("foo,bar", |
| new DelimiterSet(',', ',', '\"', '\\', false)); |
| assertEquals("\"foo,bar\"", result); |
| } |
| |
| @Test |
| public void testNoNeedToEnclose() { |
| String result = FieldFormatter.escapeAndEnclose( |
| "just another string", |
| new DelimiterSet(',', '\n', '\"', '\\', false)); |
| assertEquals("just another string", result); |
| } |
| |
| @Test |
| public void testCannotEnclose() { |
| // Can't enclose because encloser is nul. |
| // This should escape the comma instead. |
| String result = FieldFormatter.escapeAndEnclose("foo,bar", |
| new DelimiterSet(',', '\n', DelimiterSet.NULL_CHAR, '\\', false)); |
| |
| assertEquals("foo\\,bar", result); |
| } |
| |
| @Test |
| public void testEmptyCharToEscapeString() { |
| // test what happens when the escape char is null. It should encode the |
| // null char. |
| |
| char nul = DelimiterSet.NULL_CHAR; |
| String s = "" + nul; |
| assertEquals("\000", s); |
| } |
| |
| @Test |
| public void testEscapeCentralQuote() { |
| String result = FieldFormatter.escapeAndEnclose("foo\"bar", |
| new DelimiterSet(',', '\n', '\"', '\\', false)); |
| assertEquals("foo\\\"bar", result); |
| } |
| |
| @Test |
| public void testEscapeMultiCentralQuote() { |
| String result = FieldFormatter.escapeAndEnclose("foo\"\"bar", |
| new DelimiterSet(',', '\n', '\"', '\\', false)); |
| assertEquals("foo\\\"\\\"bar", result); |
| } |
| |
| @Test |
| public void testDoubleEscape() { |
| String result = FieldFormatter.escapeAndEnclose("foo\\\"bar", |
| new DelimiterSet(',', '\n', '\"', '\\', false)); |
| assertEquals("foo\\\\\\\"bar", result); |
| } |
| |
| @Test |
| public void testReverseEscape() { |
| String result = FieldFormatter.escapeAndEnclose("foo\"\\bar", |
| new DelimiterSet(',', '\n', '\"', '\\', false)); |
| assertEquals("foo\\\"\\\\bar", result); |
| } |
| |
| @Test |
| public void testQuotedEncloser() { |
| String result = FieldFormatter.escapeAndEnclose("foo\",bar", |
| new DelimiterSet(',', '\n', '\"', '\\', false)); |
| assertEquals("\"foo\\\",bar\"", result); |
| } |
| |
| @Test |
| public void testQuotedEscape() { |
| String result = FieldFormatter.escapeAndEnclose("foo\\,bar", |
| new DelimiterSet(',', '\n', '\"', '\\', false)); |
| assertEquals("\"foo\\\\,bar\"", result); |
| } |
| } |